Home / 54,478.28-75,179.58-30,604.45

Finding the Fourth Proportional to 54,478.28, 75,179.58 and 30,604.45

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Solution

The fourth proportional to 54,478.28, 75,179.58 and 30,604.45 is: 42,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.28 : 75,179.58 = 30,604.45 : x
  2. Step 2: Convert to fraction form
    54,478.28/75,179.58 = 30,604.45/x
  3. Step 3: Cross multiply
    54,478.28x = 75,179.58 × 30,604.45
  4. Step 4: Simplify right side
    54,478.28x = 2,300,829,697.13
  5. Step 5: Solve for x
    x = 2,300,829,697.13/54,478.28
  6. Step 6: Final answer
    x = 42,233.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.